Fel-Pro Head Gasket - SB Chevy - 4.166" Bore, .039" Thickness - Aluminum Heads - Pre-Flattened Copper Wire Combustion Seal RG400033XL 5 second pule for applications

5 second pule for applications like shifter activation

1996-2011 Mercury Grand Marquis

Transmission Pan Cooler - 6 1/8" Deep

7/16-20 in Left Hand Thread

Fel-Pro Head Gasket - SB Chevy - 4.166" Bore, .039" Thickness - Aluminum Heads - Pre-Flattened Copper Wire Combustion Seal RG400033XL 5 second pule for applicationsFel Pro deliver reliable sealing under grueling racing conditions. From the leader in aftermarket engine sealing, FEL PRO the gaskets professionals trust. Each gasket, set, or seal is built to meet or exceed all original equipment specifications and is validated for fit, form, and function. GMP Performance V8, 265 (4. 3L), 283 (4. 6L), 302 (4. 9L), 307 (5. 0L), 327 (5. 3L), 350 (5. 7L), 400 (6. 6L); Copper wire Inserted within a stainless steel armor